The mountain is connected by a ridge leading eastward to Kangtega.

Thamserku is a prominent mountain to the east of Namche Bazaar and lies just north of Kusum Kangguru.

[citation needed] The first ascent was made in 1964 from the south by members of Edmund Hillary's Schoolhouse Expedition: Lynn Crawford, Pete Farrell, John McKinnon and Richard Stewart.

Below the basin on the southwest face, they reached the south ridge after climbing a difficult couloir.

[2] In 2014, Russian climbers Alexander Gukov and Alexey Lonchinskiy made the first ascent on the southwest face.